Also the "electrostatic glue" literally attracts dirt and dust and cannot be cleaned. Once the electrostatic glue gets dirty the unit no longer works. Uvonair unit is being used in a clean medical facility. Not a sawmill or somewhere that has a lot of dust. Unit failed after 10 months in a clean...
I had to buy a big blue ozone generator bc my uvonair was out of service so long for repair. The ozone is output is about twice as strong but I have only had the unit for a few months so I don't know about durability. The unit is made to connect to a duct. So far it greatly outperforms...
I have used uvonair ozone generators. They are a terrible product and a terrible company to deal with. Their ozone generators use "electrostatic glue" (quoting customer service) that is designed to fail. My uvonair failed after 10 months. You have to send your uvonair to Canada and pay shipping...